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Journal Article

Final spin from the coalescence of two black holes

MPS-Authors
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Rezzolla,  Luciano
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Dorband,  Ernst Nils
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Pollney,  Denis
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Reisswig,  Christian
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Seiler,  Jennifer
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Husa,  Sascha
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Fulltext (public)

PRD78-044002.pdf
(Publisher version), 206KB

0712.3541v2.pdf
(Preprint), 141KB

Supplementary Material (public)
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Citation

Rezzolla, L., Barausse, E., Dorband, E. N., Pollney, D., Reisswig, C., Seiler, J., et al. (2008). Final spin from the coalescence of two black holes. Physical Review D, 78(4): 044002. doi:10.1103/PhysRevD.78.044002.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-13B9-3
Abstract
We provide a compact analytic formula to compute the spin of the black hole produced by the coalescence of two black holes following a quasicircular inspiral. Without additional fits than those already available for binaries with aligned or antialigned spins, but with a minimal set of assumptions, we derive an expression that can model generic initial spin configurations and mass ratios, thus covering all of the 7-dimensional space of parameters. A comparison with simulations already shows very accurate agreements with all of the numerical data available to date, but we also suggest a number of ways in which our predictions can be further improved.